/**
 * 格式化时间
 * @param timestamp     时间戳
 * @param showTime      是否显示时分秒
 * @returns {string}    已格式化的时间
 */
export default function (timestamp, showTime = false) {
    const date = new Date(+timestamp);
    const month = (date.getMonth() + 1).toString().padStart(2, "0");
    const day = date.getDate().toString().padStart(2, "0");
    let str = `${date.getFullYear()}-${month}-${day}`;
    if (showTime) {
        const hour = date.getHours().toString().padStart(2, "0");
        const minute = date.getMinutes().toString().padStart(2, "0");
        const second = date.getSeconds().toString().padStart(2, "0");
        str += ` ${hour}:${minute}:${second}`;
    }
    return str;
}
